Patent · US Expired

Pigment dispersants based on diketopyrrolopyrrole compounds and pigment preparations

US7045637B2 · kind B2 · utility

7Cited by
13References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 27, 2003
Grant dateMay 16, 2006
Priority date
Expiry dateMay 8, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B57/004
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The invention provides novel pigment dispersants of the formula (I) in which Q is a radical of the formula (Ia)

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.